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Minerals that include Mg, O, Si

  • Actinolite
    • ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
  • 'Aegirine-augite'
    • (Na,Ca)(Fe
    3+
     
    		,Fe
    2+
     
    		,Mg,Al)Si
     
    2
    		O
     
    6
  • Aerinite
    • Ca
     
    5
    		(Fe
    3+
     
    		,Al,Fe
    2+
     
    		,Mg)(Al,Mg)
     
    6
    		[HSi
     
    12
    		O
     
    36
    		(OH)
     
    12
    		][(CO
     
    3
    		)
     
    1.2
    		(H
     
    2
    		O)
     
    12
    		]
  • Åkermanite
    • Ca
     
    2
    		Mg[Si
     
    2
    		O
     
    7
    		]
  • Akimotoite
    • (Mg,Fe
    2+
     
    		)SiO
     
    3
  • Aliettite
    • Ca
     
    0.2
    		Mg
     
    6
    		(Si,Al)
     
    8
    		O
     
    20
    		(OH)
     
    4
    		·4H
     
    2
    		O
  • 'Alipite'
    • (Ni,Mg)
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
  • 'Allophite'
    • Mg
     
    8
    		Al
     
    4
    		Si
     
    5
    		O
     
    24
    		·H
     
    2
    		O
  • Almarudite
    • K([],Na)
     
    2
    		(Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		(Be,Al)
     
    3
    		[Si
     
    12
    		O
     
    30
    		]
  • 'Aloisiite'
    • Na
     
    2
    		(Ca,Fe,Mg)
     
    5
    		Si
     
    2
    		O
     
    10
    		·2H
     
    2
    		O
  • 'Alumino-magnesio-hornblende'
    • Ca
     
    2
    		Mg
     
    4
    		Al
     
    2
    		Si
     
    7
    		O
     
    22
    		(OH)
     
    2
  • Alumino-Magnesiotaramite
    • Na[CaNa][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
  • 'Aluminobarroisite'
    • ☐[CaNa][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
  • Aluminoceladonite
    • K(Mg,Fe
    2+
     
    		)(Al,Fe
    3+
     
    		)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
  • Aluminotschermakite
    • ☐[Ca
     
    2
    		][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
  • 'Alurgite'
    • K
     
    2
    		(Mg,Al)
     
    4-5
    		(Al,Si)
     
    8
    		O
     
    20
    		(OH)
     
    4
  • Amesite
    • Mg
     
    2
    		Al[(OH)
     
    4
    		|AlSiO
     
    5
    		]
  • Anandite
    • (Ba,K)(Fe
    2+
     
    		,Mg)
     
    3
    		[(O,OH)
     
    2
    		|(Si,Al,Fe)
     
    4
    		O
     
    10
    		]
  • Anthophyllite
    • ☐[Mg
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  • Antigorite
    • (Mg,Fe
    2+
     
    		)
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
  • 'Antillite'
    • (Mg,Fe)
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  • 'Aphrosiderite'
    • (Fe,Mg,Al)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
  • 'Aquacreptite (of Harada)'
    • Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		·5H
     
    2
    		O or near
  • 'Aquacreptite (of Shepard)'
    • Mg
     
    4
    		Fe
     
    2
    		Si
     
    6
    		O
     
    19
    		·8H
     
    2
    		O with some Al
     
    2
    		O
     
    3
    		, or near·
  • 'Arctolite'
    • near (Ca,Mg)Al
     
    2
    		Si
     
    3
    		O
     
    10
    		·H
     
    2
    		O
  • Ardennite-(As)
    • Mn
    2+
    4
    		[(Al,Mg)
     
    6
    		][(OH)
     
    6
    		|(AsO
     
    4
    		,VO
     
    4
    		)|(SiO
     
    4
    		)
     
    2
    		|Si
     
    3
    		O
     
    10
    		]
  • Ardennite-(V)
    • Mn
    2+
    4
    		[Al
     
    4
    		(Mg,Al,Fe
    3+
     
    		,Mn
    3+
     
    		)
     
    2
    		][(OH)
     
    6
    		|(VO
     
    4
    		,SiO
     
    4
    		)|(SiO
     
    4
    		)
     
    2
    		|Si
     
    3
    		O
     
    10
    		]
  • Aspidolite
    • NaMg
     
    3
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  • 'Atheriastite'
    • near Ca
     
    5
    		MgFeAl
     
    6
    		Si
     
    8
    		O
     
    32
    		·5H
     
    2
    		O
  • Augite
    • (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
  • Axinite-(Mg)
    • Ca
     
    2
    		MgAl
     
    2
    		[OH|BSi
     
    4
    		O
     
    15
    		]
  • Baileychlore
    • (Zn,Fe,Al,Mg)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
  • Balangeroite
    • (Mg,Fe,Fe,Mn)
     
    42
    		Si
     
    16
    		O
     
    54
    		(OH)
     
    40
  • Balipholite
    • BaLiMg
     
    2
    		Al
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    6
    		]
     
    2
  • 'Bardolite'
    • near K
     
    2
    		Mg
     
    5
    		FeFe
     
    4
    		Al
     
    2
    		Si
     
    12
    		O
     
    40
  • 'Barettite'
    • near (Ca,Mg,Fe)
     
    6
    		Si
     
    5
    		O
     
    16
    		·0.5H
     
    2
    		O
  • 'Barian Muscovite'
    • (K,Ba)(Al,Mg)
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  • 'Barium-Phlogopite'
    • (K,Ba)
     
    1-x
    		Mg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  • 'Bariumbannisterite'
    • (K,H
     
    3
    		O)(Ba,Ca)(Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    21
    		(Si,Al)
     
    32
    		O
     
    80
    		(O,OH)
     
    16
    		·4-12H
     
    2
    		O
  • Barroisite
    • ☐[CaNa][Mg
     
    3
    		AlFe
    3+
     
    		][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
  • 'Barroisite-Ferrobarroisite Series'
    • NaCa(Mg,Fe
    2+
     
    		)
     
    3
    		Al
     
    2
    		(Si
     
    7
    		Al)O
     
    22
    		(OH)
     
    2
  • 'Barytbiotite'
    • (K,Ba)
     
    2
    		(Mg,Al)
     
    2-6
    		(Al,Si)
     
    8
    		O
     
    20
  • 'Bastonite'
    • near K
     
    3
    		(Mg,Fe,Fe,Al)
     
    5.5
    		(Si,Al)
     
    8
    		O
     
    22
    		(OH)
     
    4
    		·1.5H
     
    2
    		O
  • 'Baumite'
    • (Mg,Al,Mn,Zn,Fe)
     
    3
    		(Si,Al)
     
    2
    		O
     
    5
    		(OH)
     
    4
  • 'Bavalite'
    • (Fe,Mg,Al)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
  • Berthierine
    • (Fe,Fe,Mg)
     
    2-3
    		(Si,Al)
     
    2
    		O
     
    5
    		(OH)
     
    4
  • 'Bisbeeite'
    • (Cu,Mg)SiO
     
    3
    		·nH
     
    2
    		O
  • 'Bredbergite'
    • (Ca,Mg)
     
    3
    		Fe
     
    2
    		(SiO
     
    4
    		)
     
    3
  • Bredigite
    • Ca
     
    7
    		Mg[SiO
     
    4
    		]
     
    4
  • Brindleyite
    • (Ni,Mg,Fe)
     
    2
    		Al(Si,Al)O
     
    5
    		(OH)
     
    4
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Nov 2009 07:57:53